<template>
  <view v-if="goods_info.goods_name">
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
      <swiper-item v-for="(item,i) in goods_info.pics" :key="i">
        <img :src="item.pics_big" @click="preview(i)"/>
      </swiper-item>
    </swiper>
    
    <view class="goods-info-box">
      <view class="price">
        ￥{{goods_info.goods_price}}
      </view>
      <view class="goods-info-body">
        <view class="goods-name">
          {{goods_info.goods_name}}
        </view>
        
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      
      <view class="yunfei">
        快递:免运费
      </view>
      <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    </view>
    
    <!-- 商品导航组件区 -->
    <view class="goods_nav">
      <uni-goods-nav :fill="true" :options="options" :button-group="buttonGroup" @click="onclick" @buttonClick="buttonClick"></uni-goods-nav>
    </view>
   
    
  </view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
  export default {
    data() {
      return {
        goods_info:{},
        options:[{
          icon:'headphones',
          text:'客服'
        },{
          icon:'shop',
          text:'店铺'
        },{
          icon:'cart',
          text:'购物车',
          info:0
        }],
        buttonGroup:[{
          text:'加入购物车',
          backgroundColor:'#ff0000',
          color:'#fff'
        },{
          text:'立即购买',
          backgroundColor:'#ffa200',
          color:'#fff'
        }]
      };
    },
    computed:{
      ...mapState('m_cart',[]),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      total:{
        handler(newValue){
        const findResult=this.options.find(x=>x.text=='购物车')
        if(findResult){
          findResult.info=newValue
        }
        
        },
        immediate:true
      }
    },
    methods:{
      ...mapMutations('m_cart',['addToCart']),
      async getGoodsInfo(goods_id){
        const {data:res}=await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        if(res.meta.status!==200) return uni.$showMsg()
        res.message.goods_introduce=res.message.goods_introduce.replace(/<img/g,'<img style:"display:block;"').replace(/webp/g,'jpg')
        this.goods_info=res.message
      },
      preview(i){
        uni.previewImage({
          current:i,
          urls:this.goods_info.pics.map(x=>x.pics_big)
        })
      },
      onclick(e){
       if(e.content.text=='购物车'){
         uni.switchTab({
           url:'/pages/cart/cart'
         })
       }
      },
      buttonClick(e){
        if(e.content.text=='加入购物车'){
          const goods ={
            goods_id:this.goods_info.goods_id,
            goods_name:this.goods_info.goods_name,
            goods_price:this.goods_info.goods_price,
            goods_count:1,
            goods_small_logo:this.goods_info.goods_small_logo,
            goods_state:true
          }
          this.addToCart(goods)
          
        }
        }
      
    },
    onLoad(option) {
      const goods_id=option.goods_id
      this.getGoodsInfo(goods_id)
    }
  }
</script>

<style lang="scss">
swiper{
  height: 750rpx;
  image{
    width: 100%;
    height: 100%;
  }
}
.goods-info-box{
  display: flex;
  flex-direction: column;
  padding: 10px ;
  .price{
    color: #c00000;
    font-size:18px ;
    margin: 10px 0;
  }
  .goods-info-body{
    display: flex;
    .goods-name{
      font-size: 13px;
      margin-right: 10px;
      
    }
    .favi{
      display: flex;
      flex-direction: column;
      width: 120px;
      justify-content: center;
      align-items: center;
      font-size: 12px;
    }
  }
  .yunfei{
    font-size: 12px;
    margin: 10px 0;
    color: gray;
  }
}

.goods_nav{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
</style>
